490 that any such employee, with the exception of an office employee, shall be paid at one and one third times the normal rate for any time worked in excess of forty (40) hours in any one week. 2. No watchman shall be permitted to work in excess of fifty-six (56) hours per week averaged over a two weeks' period and in no event shall be permitted to work in excess of six days in any seven- day period. 3. No fireman shall be permitted to work in excess of forty-two (42) hours in any one week. 4. No other employee, except employees engaged in a managerial capacity, receiving at least thirty-five ($35.00) dollars a week and outside salesmen shall be permitted to work in excess of forty (40) hours in any one week or ten (10) hours in any twenty-four-hour period. 5. The maximum hours fixed in the foregoing section shall not apply to any employee on emergency maintenance or emergency repair work involving breakdowns or protection of life or prop- erty, but in any such special case at least one and one third times his normal rate shall be paid for hours worked in excess of the maximum hours herein provided. 6. No employee shall be permitted to work more than twenty-four (24) days in any twenty-eight (28) day period. 7. In the event of an emergency due to war, epidemic, catastrophe, or Act of God wherein the public health is threatened, the stipula- tion regarding maximum hours of employment shall be temporarily suspended, and such suspension shall be forthwith reported to the Administrator. ARTICLE IV-VAGES 1. No office employee shall be paid at. less than the rate of fifteen ($15.00) dollars per week in any City of over 500,000 population, or in the immediate trade area of such City; not less than fourteen dollars and fifty cents ($14.50) per week in any City of between 250,000 and 500,000 population, or in the immediate trade area of such City; nor less than fourteen ($14.00) dollars per week in any City of less than 250,000 population, or in the immediate trade area of such City. 2. No other employee shall be paid at less than the rate of thirty- two and one half cents (321.-) per hour, except that a learner dur- ing a period of six weeks may be paid a rate of not less than eighty (80%c) percent. of the foregoing minimum rate provided, however, that such classification of learners shall not exceed five (5'%) percent of the total number of employees of any employer. No employee shall be classed as a learner who has worked for any employer in the Industry a total of eight (8) weeks within the preceding two (2) years. 3. This Article establishes a minimum rate of pay which shall apply irrespective of whether an employee is actually compensated on a time-rate, piecework, or other basis. 4. Rates of pay in excess of the minimum established by this Code shall be adjusted so as to preserve equitable differentials between the various occupations in the Industry. A definite plan for the adjust- ment of those wages above the minimum herein prescribed shall be